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import { getClasses } from '../utils';
import { property } from 'lit/decorators.js';
export class Button extends LitElement {
static get styles() {
return css`
:host {
display: inline-flex;
align-self: stretch;
font-family: var(--font);
/* Match the styleguide's .ds Inter rendering — the stylistic
sets (ss01/cv11) and the "tnum 0" off-switch — so glyph
shapes line up with the design-system buttons. */
font-feature-settings:
'ss01',
'cv11',
'tnum' 0;
}
/* DS .btn-sm — sizing, type, transition, shape */
.button-container {
display: inline-flex;
align-items: center;
justify-content: var(--button-justify, center);
gap: 6px;
flex-grow: 1;
height: var(--button-height, 28px);
padding: 0 10px;
border: 1px solid transparent;
border-radius: var(--r-sm);
font-size: 12.5px;
font-weight: var(--w-regular);
letter-spacing: -0.005em;
line-height: 1;
white-space: nowrap;
cursor: pointer;
user-select: none;
-webkit-user-select: none;
outline: none;
box-sizing: border-box;
transition:
background 120ms,
border-color 120ms,
color 120ms,
box-shadow 120ms;
}
.button-mask {
display: inline-flex;
align-items: center;
gap: 6px;
line-height: 1;
}
.button-name {
white-space: nowrap;
}
/* even smaller variant (compact lists, list-row actions, etc.).
The vars let dense consumers (e.g. slim status rows) compact
it further without another named size. */
.small {
height: var(--button-small-height, 24px);
padding: 0 var(--button-small-x-pad, 8px);
font-size: var(--button-small-font-size, 12px);
}
/* DS .btn-primary — solid accent fill with a faint top
highlight and a ground shadow so it sits a touch above the
surface. The base 1px transparent border stays in the box
model so the primary's footprint matches the secondary's. */
.primary-button {
background: var(--accent-600);
color: #fff;
box-shadow:
inset 0 1px 0 rgba(255, 255, 255, 0.18),
0 1px 1px rgba(15, 22, 36, 0.1);
}
.primary-button:hover {
background: var(--accent-700);
}
/* Ghost-style secondary — transparent fill so it blends into
any surface (the dialog gutter's grey, a white card, etc.),
no border, with a semi-transparent wash on hover that shows
up regardless of the underlying colour. */
.secondary-button {
background: transparent;
color: var(--text-1);
}
.secondary-button:hover {
background: rgba(0, 0, 0, 0.05);
}
/* Flat success fill — mirrors the DS .btn-danger chrome (no
lift), tinted green for go-ahead CTAs. */
.attention-button,
.affirmative {
background: var(--success, #16a34a);
color: #fff;
}
/* Hover darkening: static pre-mixed values first for browsers
without color-mix(), re-derived from the token below. */
.attention-button:hover,
.affirmative:hover {
background: #138f41;
}
/* DS .btn-danger — flat danger fill (no lift). */
.destructive-button {
background: var(--danger, #d03f3f);
color: #fff;
}
.destructive-button:hover {
background: #b73737;
}
@supports (color: color-mix(in srgb, red, red)) {
.attention-button:hover,
.affirmative:hover {
background: color-mix(in srgb, var(--success, #16a34a) 88%, black);
}
.destructive-button:hover {
background: color-mix(in srgb, var(--danger, #d03f3f) 88%, black);
}
}
/* DS .btn-ghost — text-only, hover fills with sunken */
.light-button,
.lined-button {
background: var(--surface);
border-color: var(--border-strong);
color: var(--text-1);
}
.light-button:hover,
.lined-button:hover {
background: var(--sunken);
}
/* icon-only button — square footprint, ghost chrome */
.icon-button {
width: var(--button-height, 28px);
padding: 0;
background: transparent;
border-color: transparent;
color: var(--text-2);
}
.icon-button:hover {
background: var(--sunken);
color: var(--text-1);
}
.icon-button.small {
width: 24px;
}
/* active = pressed-down look — slightly inset */
.button-container.active-button {
box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.12);
}
.secondary-button.active-button {
background: rgba(0, 0, 0, 0.08);
}
/* disabled */
.button-container.disabled-button {
opacity: 0.45;
cursor: not-allowed;
pointer-events: none;
}
/* focus ring — keyboard nav only */
.button-container:focus-visible {
box-shadow: var(--widget-box-shadow-focused);
}
.submit-animation {
padding: 1px 4px;
}
.submit-animation temba-loading {
margin-bottom: -3px;
line-height: normal;
}
`;
}
@property({ type: Boolean })
primary: boolean;
@property({ type: Boolean })
secondary: boolean;
@property({ type: Boolean })
attention: boolean;
@property({ type: Number })
v = 1;
@property({ type: Boolean })
destructive: boolean;
@property({ type: Boolean })
light: boolean;
@property()
name: string;
@property({ type: Boolean })
disabled: boolean;
@property({ type: Boolean })
submitting: boolean;
@property({ type: Boolean })
active: boolean;
@property({ type: Boolean })
small: boolean;
@property({ type: Boolean })
lined: boolean;
@property({ type: String })
href: string;
@property({ type: Number })
index?: number;
@property({ type: String })
icon?: string;
private handleClick(evt: MouseEvent) {
if (this.disabled) {
evt.preventDefault();
evt.stopPropagation();
}
if (this.href && !this.disabled) {
this.ownerDocument.location.href = this.href;
evt.preventDefault();
evt.stopPropagation();
}
}
private handleKeyUp(event: KeyboardEvent): void {
this.active = false;
if (event.key === 'Enter') {
this.click();
}
}
private handleMouseDown(): void {
if (!this.disabled && !this.submitting) {
this.active = true;
this.classList.add('active');
}
}
private handleMouseUp(): void {
this.active = false;
this.classList.remove('active');
}
public render(): TemplateResult {
const buttonName = this.submitting
? html`<div class="submit-animation">
<temba-loading units="3" size="8" color="#eee"></temba-loading>
</div>`
: this.name;
return html`
<div
class="button-container
v-${this.v}
${getClasses({
'primary-button':
this.primary ||
(!this.primary &&
!this.secondary &&
!this.attention &&
!this.destructive &&
!this.lined &&
!this.light &&
this.v == 1),
'secondary-button': this.secondary,
'disabled-button': this.disabled,
'active-button': this.active,
'attention-button': this.attention,
'destructive-button': this.destructive,
'light-button': this.light,
'lined-button': this.lined,
'icon-button': !!this.icon && !this.name,
small: this.small
})}"
tabindex="0"
@mousedown=${this.handleMouseDown}
@mouseup=${this.handleMouseUp}
@mouseleave=${this.handleMouseUp}
@keyup=${this.handleKeyUp}
@click=${this.handleClick}
>
<div class="button-mask">
${this.icon
? html`<temba-icon name="${this.icon}"></temba-icon>`
: null}
<div class="button-name"><slot name="name">${buttonName}</slot></div>
</div>
</div>
`;
}
}
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